CN202284643U - Nesting-type integrated type mechanical sealing structure - Google Patents
Nesting-type integrated type mechanical sealing structure Download PDFInfo
- Publication number
- CN202284643U CN202284643U CN2011200122922U CN201120012292U CN202284643U CN 202284643 U CN202284643 U CN 202284643U CN 2011200122922 U CN2011200122922 U CN 2011200122922U CN 201120012292 U CN201120012292 U CN 201120012292U CN 202284643 U CN202284643 U CN 202284643U
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- China
- Prior art keywords
- ring
- rotating ring
- sealing structure
- mechanical sealing
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a nesting-type integrated type mechanical sealing structure, comprising: a shell and an injection hole arranged on the shell, wherein the mechanical sealing structure also comprises a movable ring arranged on the mechanical sealed end; a static ring with one end contacted with the movable ring to form a friction surface; a O-shaped ring abutted against another end of the static ring; an isolation cavity oil cooling chamber provided with a cooling oil inside and arranged on the lower part of the movable ring and the static ring; a frame oil seal arranged in the shell and in a 'I' shape. The mechanical sealing structure is conveniently mounted and the sealing performance is good, so as to reduce the friction power loss.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of mechanical seal structure, the suit type cartridge mechanical seal that particularly a kind of pump is used.
Background technique
All the time, people adopt the multiple sealing material of one type of filler, and the outside leakage rate of liquid from the liquid pump housing along main shaft constantly reduced.Although the liquid pump that adopts in the modern crafts flow process is still continued to use the most ancient Seal Design stuffing box widely,, and be familiar with by the staff of factory again because its starting expense is low.
Yet raising along with environmental protection and human health requirement; Leakage to machinery requires also to improve constantly; Adopt the gland sealed method can not be accepted by people gradually, particularly to liquid commonplace, that corrosivity is stronger in the modern crafts flow process, therefore; In practical application, replace the gland sealed situation more and more with mechanical seal.
Mechanical seal mainly is made up of two seal rings (rotating ring, stationary ring) perpendicular to axle; The ear end face of rotating ring, the front-end face of stationary ring contact; And under the effect of the spring force of hydrodynamic pressure or compensation mechanism; Form maintenance and fit tightly the also sealing surface of slide relative, and under the cooperation of auxiliary seal, constitute the device that prevents leak of liquid.Face pressure between stationary ring and the rotating ring (the average impacting force on the seal face unit area) directly has influence on sealing effect; Face pressure can not be too big when stationary ring and rotating ring were fitted; Face pressure is crossed conference and is made the end face heating, and wearing and tearing are accelerated, and frictional power loss increases; But face pressure again can not be too small, less than the liquid counterpressure between end face, then can push seal face open, causes leakage.And when as installed, must install according to given size of when design, but the difficult control of the size of rotating ring, so this brings very big trouble to installation process, neither be very desirable even install the back sealing effect, do not reach the requirement of actual time.
The model utility content
The purpose of the utility model is to provide a kind of suit type cartridge mechanical seal, can be easy for installation, and good seal performance reaches the purpose that reduces frictional power loss
In order to realize above-mentioned and other purpose, the utility model provides a kind of suit type cartridge mechanical seal, comprising:
Housing;
Injection orifice;
Also comprise:
Rotating ring is the end of mechanical seal;
Stationary ring, an end contact with rotating ring and form rubbing surface;
O type circle is near the other end of said stationary ring;
The separate cavities oil chamber, in establish cold oil, be positioned at the bottom of said rotating ring and said stationary ring;
Outside framework oil seal places in the housing, is " worker " font.
The advantage of the utility model is:
The sealing surface of when assembling mechanical seal can be fully along spool, and square with the axis.
2. the fricative temperature of mechanical seal directly passes on the axle, and transfers out.
3. the fiber medium in the material is retained in the suit type integrated mechanical sealing support, can not damage O type circle and mechanical sealing surface.
4. installation and removal are very convenient, and when suit type integrated mechanical sealing was installed, device is whole to be moved along axle is parallel, need not rotating ring and stationary ring, fix with passing to be connected.Need not adjustment between rotating ring and the stationary ring, as long as pump integral body carries out fasteningly just can making that mechanical seal is in place as requested.
5. suit type integrated mechanical sealing adopts complete closed fastening, can guarantee the no any external leaks of pump mechanical sealing operation.Can understand the damaged condition of mechanical seal through observing the state of separate cavities cooling liquid simultaneously.
Description of drawings
Fig. 1 is the sectional view of the utility model.
Below through the mode of execution of specific instantiation and accompanying drawings the utility model, those skilled in the art can be understood other advantage and the effect of the utility model easily by the content that this specification disclosed.The utility model also can be implemented or use through other different instantiation, and each item details in this specification also can be carried out various modifications and change based on different viewpoints and application under the spirit that does not deviate from the utility model.
Embodiment
Structural representation as shown in Figure 1, that the utility model one embodiment is provided.The utility model comprises housing 1, injection orifice 2, outside framework oil seal 3, rotating ring 4, stationary ring 5, O type circle 6 and separate cavities oil chamber 7; Housing 1 is the shell construction of the utility model; Injection orifice 2 is set on housing 1, and this injection orifice 2 is used for adding the oil of various uses to mechanical seal, like cold oil or lubricant oil; Rotating ring 4 is arranged on the end of mechanical seal, and closely contacts with the rotary component of pump, through frictional force rotating ring 4 and running shaft is rotated synchronously; One end of stationary ring 5 contacts with rotating ring 4 and forms rubbing surface, and is motionless with respect to running shaft when pump rotates; O type circle 6 the other ends near said stationary ring 5, location stationary ring 5 makes stationary ring 5 not contact with running shaft in separate cavities, in working order by rotating ring 4 axial compression, the frictional force because of 5 of O type circle 6 and stationary rings makes stationary ring 5 with respect to the running shaft transfixion; " worker " font outside framework oil seal 3 is set in housing 1, and the both sides of outside framework oil seal 3 are provided with different oil, Yi Bian be cold oil; Be lubricant oil on one side,, can play additional seal action on the other hand so outside framework oil seal 3 can seal on the one hand; When mechanical seal begins to lose efficacy; The pump chamber partial material is retained in the isolated chambers because the effect of outside framework oil seal 3 can not arrived in the transmission cavity; Separate cavities oil chamber 7, in establish cold oil, be positioned at the bottom of rotating ring 4 and stationary ring 5, the temperature of the rubbing surface between cooling rotating ring 4 and the stationary ring 5.
The utility model is installed between pump chamber cavity and the transmission cavity; And rotating ring 4 closely contacts with pump housing rotor part; And make rotating ring 4 and rotor rotate synchronously through frictional force; Be inserted in from an end along axle during installation, rotating ring 4 need not extra transmission and fixing device with stationary ring 5, and rotating ring 4 need not adjustment with stationary ring 5.Reliability of Mechanical Seal is high.The utility model O type circle 6 owing to receive the end thrust of 4 pairs of stationary rings 5 of rotating ring, plays fixedly stationary ring 5 on the one hand, keeps stationary ring 5 relative installation shaft static; Can compensate the gap that rotating ring 4 produces with stationary ring 5 wearing and tearing on the other hand.The outside framework oil seal 3 that the utility model is inner; Can play the effect that replenishes sealing, when the mechanical seal wearing and tearing, when losing efficacy gradually; Outside framework oil seal 3 can be kept at fed sheet of a media in the separate cavities; Can not get into the pump drive cavity, outside framework oil seal 3 also can be replaced with mechanical seal, improves sealing load and working life.
The utility model sealing material is combined as:
The advantage of the utility model is:
1) when assembling mechanical seal sealing surface can be fully along spool, and square with the axis.
2) the fricative temperature of mechanical seal directly passes on the axle, and transfers out.
3) the fiber medium in the material is retained in the suit type integrated mechanical sealing support, can not damage O type circle 6 and mechanical sealing surface.
4) installation and removal are very convenient, and when suit type integrated mechanical sealing was installed, device is whole to be moved along axle is parallel, need not rotating ring and stationary ring, fix with passing to be connected.Need not adjustment between rotating ring and the stationary ring, as long as pump integral body carries out fasteningly just can making that mechanical seal is in place as requested.
5) suit type integrated mechanical sealing adopts complete closed fastening, can guarantee the no any external leaks of pump mechanical sealing operation.Can understand the damaged condition of mechanical seal through observing the state of separate cavities cooling liquid simultaneously.
The foregoing description is the principle and the effect thereof of illustrative the utility model only, but not is used to limit the utility model.Any those skilled in the art all can be under the spirit and category of the utility model, and the foregoing description is modified and changed.Therefore, the rights protection scope of the utility model should be listed like claims.
Claims (1)
1. suit type cartridge mechanical seal comprises:
Housing,
Injection orifice is arranged on the housing;
It is characterized in that, also comprise:
Rotating ring is arranged on the end of mechanical seal;
Stationary ring, an end contact with rotating ring and form rubbing surface;
O type circle is near the other end of said stationary ring;
The separate cavities oil chamber, in establish cold oil, be positioned at the bottom of said rotating ring and said stationary ring;
Outside framework oil seal places in the housing, is " worker " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200122922U CN202284643U (en) | 2011-01-14 | 2011-01-14 | Nesting-type integrated type mechanical sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200122922U CN202284643U (en) | 2011-01-14 | 2011-01-14 | Nesting-type integrated type mechanical sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284643U true CN202284643U (en) | 2012-06-27 |
Family
ID=46296165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200122922U Expired - Fee Related CN202284643U (en) | 2011-01-14 | 2011-01-14 | Nesting-type integrated type mechanical sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075517A (en) * | 2013-01-16 | 2013-05-01 | 苏瑞益 | Multi-end surface combined mechanical seal |
| CN113586722A (en) * | 2016-07-12 | 2021-11-02 | 约翰起重机有限公司 | Non-foldable flexible sealing diaphragm and sealing assembly for rotary shaft equipment |
-
2011
- 2011-01-14 CN CN2011200122922U patent/CN202284643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075517A (en) * | 2013-01-16 | 2013-05-01 | 苏瑞益 | Multi-end surface combined mechanical seal |
| CN113586722A (en) * | 2016-07-12 | 2021-11-02 | 约翰起重机有限公司 | Non-foldable flexible sealing diaphragm and sealing assembly for rotary shaft equipment |
| CN113586722B (en) * | 2016-07-12 | 2024-02-13 | 约翰起重机有限公司 | Non-collapsible flexible sealing membrane and sealing assembly for a rotating shaft device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 Termination date: 20170114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |